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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef GARGOYLE_WINDOW_TEXT_BUFFER_H
#define GARGOYLE_WINDOW_TEXT_BUFFER_H
#include "gargoyle/windows.h"
#include "gargoyle/picture.h"
namespace Gargoyle {
/**
* Text Buffer window
*/
class TextBufferWindow : public Window {
/**
* Structure for a row within the window
*/
struct TextBufferRow {
Common::Array<uint32> chars;
Common::Array<Attributes> attr;
int len, newline;
bool dirty, repaint;
Picture *lpic, *rpic;
glui32 lhyper, rhyper;
int lm, rm;
/**
* Constructor
*/
TextBufferRow();
/**
* Resize the row
*/
void resize(size_t newSize);
};
typedef Common::Array<TextBufferRow> TextBufferRows;
private:
void reflow();
void touchScroll();
bool putPicture(Picture *pic, glui32 align, glui32 linkval);
void putTextUni(const glui32 *buf, int len, int pos, int oldlen);
void flowBreak();
/**
* Mark a given text row as modified
*/
void touch(int line);
public:
int _width, _height;
int _spaced;
int _dashed;
TextBufferRows _lines;
int _scrollBack;
int _numChars; ///< number of chars in last line: lines[0]
glui32 *_chars; ///< alias to lines[0].chars
Attributes *_attrs; ///< alias to lines[0].attrs
///< adjust margins temporarily for images
int _ladjw;
int _ladjn;
int _radjw;
int _radjn;
/* Command history. */
glui32 *_history[HISTORYLEN];
int _historyPos;
int _historyFirst, _historyPresent;
/* for paging */
int _lastSeen;
int _scrollPos;
int _scrollMax;
/* for line input */
void *_inBuf; ///< unsigned char* for latin1, glui32* for unicode
int _inMax;
long _inFence;
long _inCurs;
Attributes _origAttr;
gidispatch_rock_t _inArrayRock;
glui32 _echoLineInput;
glui32 *_lineTerminators;
/* style hints and settings */
WindowStyle styles[style_NUMSTYLES];
/* for copy selection */
glui32 *_copyBuf;
int _copyPos;
public:
/**
* Constructor
*/
TextBufferWindow(Windows *windows, uint32 rock);
/**
* Destructor
*/
virtual ~TextBufferWindow();
/**
* Rearranges the window
*/
virtual void rearrange(const Common::Rect &box) override;
/**
* Get window split size within parent pair window
*/
virtual glui32 getSplit(glui32 size, bool vertical) const override;
/**
* Write a character
*/
virtual void putChar(unsigned char ch) override;
/**
* Write a unicode character
*/
virtual void putCharUni(uint32 ch) override;
/**
* Unput a unicode character
*/
virtual bool unputCharUni(uint32 ch) override;
/**
* Write a buffer
*/
virtual void putBuffer(const unsigned char *buf, size_t len) override;
/**
* Write a unicode character
*/
virtual void putBufferUni(const uint32 *buf, size_t len) override;
/**
* Move the cursor
*/
virtual void moveCursor(const Common::Point &newPos) override;
/**
* Clear the window
*/
virtual void clear() override;
/**
* Prepare for inputing a line
*/
virtual void requestLineEvent(char *buf, glui32 maxlen, glui32 initlen) override;
/**
* Prepare for inputing a line
*/
virtual void requestLineEventUni(glui32 *buf, glui32 maxlen, glui32 initlen) override;
/**
* Cancel an input line event
*/
virtual void cancelLineEvent(Event *ev) override;
/**
* Cancel a hyperlink event
*/
virtual void cancelHyperlinkEvent() override { _hyperRequest = false; }
/**
* Redraw the window
*/
virtual void redraw() override;
};
} // End of namespace Gargoyle
#endif
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